Pull those damn codes!
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Mountain Pass
Joined: Dec 2012
Posts: 233
Likes: 19
Pull those damn codes!
94 F350 4x4 460…Kids truck started acting up on his way home from freeriding MotoX out in the desert. ABS light on, Ran like **** on the hwy, struggling to run 55-60. No power.
We have been wanting to send his PCM and PSOM out to get checked and repaired if needed. Found a Cool Dude that does it for really affordable price and quick turnaround.
Figured perfect time to do it Got everything back within a week. Put it all back together and ABS still on. Took it for a drive and ran like **** at 45-50mph. Ran the codes on the ABS with a jumper. Sure as ****, ran the flashes and found a found a disconnected harness on the bottom of the master brake cylinder reservoir.
Truck runs amazing now after replacing capacitors on the PCM and testing PSOM. 12 flashes can turn your truck to ****!!! This is the best place to be to keep out OLD Rigs runnin!
We have been wanting to send his PCM and PSOM out to get checked and repaired if needed. Found a Cool Dude that does it for really affordable price and quick turnaround.
Figured perfect time to do it Got everything back within a week. Put it all back together and ABS still on. Took it for a drive and ran like **** at 45-50mph. Ran the codes on the ABS with a jumper. Sure as ****, ran the flashes and found a found a disconnected harness on the bottom of the master brake cylinder reservoir.
Truck runs amazing now after replacing capacitors on the PCM and testing PSOM. 12 flashes can turn your truck to ****!!! This is the best place to be to keep out OLD Rigs runnin!
Hotshot
Joined: Jun 2015
Posts: 12,771
Likes: 2,420
Well yes, the ABS light would still be on. The RABS and PCM/ECM share the signal from the speed sensor but are totally separate systems. There might have been a code in the engine computer but that would not necessarily turn on the engine light. Too late now to find out unless you disconnect that harness again to see if it will set a code. Glad you got it fixed.
Thread Starter
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Mountain Pass
Joined: Dec 2012
Posts: 233
Likes: 19
Well yes, the ABS light would still be on. The RABS and PCM/ECM share the signal from the speed sensor but are totally separate systems. There might have been a code in the engine computer but that would not necessarily turn on the engine light. Too late now to find out unless you disconnect that harness again to see if it will set a code. Glad you got it fixed.
Thread Starter
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Mountain Pass
Joined: Dec 2012
Posts: 233
Likes: 19
We noticed improvement right away. Especially shifting. We didn’t have any leaking capacitors, but after 30+ years in the desert heat we figured replacing them wouldn’t hurt.
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